Odds ratio of AIS ⩾4 | 95% Confidence interval | p Value | |
---|---|---|---|
*Analysis performed on 451 cases with sufficient data for variables in the analysis. | |||
†After adjustment for impact speed and age as ordinal categorical variables. | |||
Vehicle class | |||
Passenger vehicle | Reference | – | – |
LTV | 2.9 | 1.4 to 6.3 | 0.004 |
Van | 3.0 | 1.3 to 7.3 | 0.01 |
Speed category (km/h) | |||
⩽20 | Reference | – | – |
21–30 | 1.33 | 0.4 to 4.1 | 0.62 |
31–40 | 6.31 | 2.7 to 18.9 | <0.0001 |
41–50 | 7.63 | 2.8 to 20.6 | <0.0001 |
>50 | 64.37 | 26.1 to 158.5 | <0.0001 |
Age category | |||
Children | Reference | – | – |
Adults | 1.3 | 0.6 to 29 | 0.52 |